package com.situ.struts.interceptor;

import com.opensymphony.xwork2.ActionInvocation;
import com.opensymphony.xwork2.interceptor.Interceptor;

public class MyInterceptor implements Interceptor{
	
	public MyInterceptor() {
		System.out.println("MyInterceptor.MyInterceptor()");
	}

	@Override
	public void init() {
		System.out.println("MyInterceptor.init()");
	}

	@Override
	public String intercept(ActionInvocation invocation) throws Exception {
		System.out.println("MyInterceptor.intercept() 开始");
		//有下一个拦截器就执行下一个拦截器，没有就访问Action中方法
		// chain.doFilter(request, response);
		String result = invocation.invoke();
		System.out.println("MyInterceptor.intercept() 结束");
		return result;
	}
	
	@Override
	public void destroy() {
		System.out.println("MyInterceptor.destroy()");
	}
	
}
